How to fix the dual UAN merging issues?

I have two UAN number and I wanted to merge both UAN. I facing some issues while following the steps on UAN portal. It say “details of previous are different than present account”
I checked and noticed that :

Father middle name is not same in both UAN.

Old UAN has my SBI account details while new UAN has my HDFC details So, above factor can cause of this issues are any other factors? Help me